Farndon, John

"Follow along as the Vikings arrive in North America, Normans invade Britain, and Genghis Khan sweeps through Asia. ...illustrations, maps, and a continuous timeline detail important events, achievements, and cultures from 476 CE to 1500"--Provided by publisher.

Simple text, illustrations, and diagrams introduce the circulatory and respiratory systems to young readers.

Invisible microbes cause sickness by invading our bodies and multiplying. But doctors didn't always know that sickness was caused by germs. Most people thought diseases came from smelly, damp air. But over time, those ideas changed. A Dutch scientist saw bacteria through his microscope. Doctors realized that when they washed their hands, fewer people died. And a doctor in London recognized that disease could spread through contaminated water. Because of these discoveries, people eventually learned that hygiene was the key to stopping disease. Hospitals used clean surgical instruments, and cities developed trash removal and sewage systems. Learn more about the discovery and defeat of bacteria!.

Witness the world's most extreme volcanic disasters throughout history, from the Yellowstone supervolcano to Vesuvius and Krakatoa, and find out what could happen if they erupt again. Learn how volcanoes form, what causes them to erupt, and why the benefits may outweigh the dangers for the people who live near them.

"Shows how to read the landscape for clues and identify different rock types--from dazzling diamonds to grainy sandstone. ... data boxes provide short facts to help with quick identification"--Amazon.com.

It's easy to take a pill when we aren't feeling well. But did you know that the art of making medicines goes back thousands of years? Early remedies weren't always so easy or effective. Some seemed downright disgusting. Wine infused with a venomous snake was used to cure fatigue and hair loss. Snail slime soothed burns, and a mixture of ear wax and mud treated headaches. Discover more about how medicine was practiced centuries ago and how, eventually, scientists discovered some truly amazing remedies, from the magic bullet that treated syphilis to the insulin used for diabetes.

"Dramatic illustrations and photos give witness to the harsh reality of hurricanes and tornados. Clear text emphasizes scientific efforts to better understand how to prepare for hurricanes and tornadoes, while appropriately high-impact visuals keep readers engaged"--Provided by publisher.

"Earthquakes can destroy entire cities in mere minutes, and these devastating quakes become even more deadly when followed by monster waves. Learn about the most fearsome earthquakes and tsunamis throughout history and discover the technology that helps detect them.".

Readers travel down the Nile and into the heart of an ancient tomb with young Neferu, who is training to mummify a great pharaoh as he learns the rituals and secrets the Ancient Egyptians used to prepare for the afterlife.